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GUIDANCE FOR AUTHORS Editor Sir Michael Berry FRS Selection criteria might include details of methods, derivations of equations, The criteria for selection are scientific excellence, originality large tables of data and computer programs. However, the Publishing Editor and interest across disciplines within mathematical, physical printed version must include enough detail to satisfy most Joanna Harries and engineering sciences. non-specialist readers. Supplementary data up to 10Mb is The maximum limit is 20 printed pages (about 540 words placed on the Society's website free of charge. Larger Editorial Coordinator or two figures per page). Papers over this limit will be datasets must be deposited in recognised public domain Raminder Shergill considered, up to a maximum of 28 pages, but will also be databases by the author. subject to page charges. 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